/*! normalize.css v3.0.2 | MIT License | git.io/normalize */@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap");html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}.highlight table td{padding:5px}.highlight table pre{margin:0}.highlight .cm{color:#999988;font-style:italic}.highlight .cp{color:#999999;font-weight:bold}.highlight .c1{color:#999988;font-style:italic}.highlight .cs{color:#999999;font-weight:bold;font-style:italic}.highlight .c,.highlight .cd{color:#999988;font-style:italic}.highlight .err{color:#a61717;background-color:#e3d2d2}.highlight .gd{color:#000000;background-color:#ffdddd}.highlight .ge{color:#000000;font-style:italic}.highlight .gr{color:#aa0000}.highlight .gh{color:#999999}.highlight .gi{color:#000000;background-color:#ddffdd}.highlight .go{color:#888888}.highlight .gp{color:#555555}.highlight .gs{font-weight:bold}.highlight .gu{color:#aaaaaa}.highlight .gt{color:#aa0000}.highlight .kc{color:#000000;font-weight:bold}.highlight .kd{color:#000000;font-weight:bold}.highlight .kn{color:#000000;font-weight:bold}.highlight .kp{color:#000000;font-weight:bold}.highlight .kr{color:#000000;font-weight:bold}.highlight .kt{color:#445588;font-weight:bold}.highlight .k,.highlight .kv{color:#000000;font-weight:bold}.highlight .mf{color:#009999}.highlight .mh{color:#009999}.highlight .il{color:#009999}.highlight .mi{color:#009999}.highlight .mo{color:#009999}.highlight .m,.highlight .mb,.highlight .mx{color:#009999}.highlight .sb{color:#d14}.highlight .sc{color:#d14}.highlight .sd{color:#d14}.highlight .s2{color:#d14}.highlight .se{color:#d14}.highlight .sh{color:#d14}.highlight .si{color:#d14}.highlight .sx{color:#d14}.highlight .sr{color:#009926}.highlight .s1{color:#d14}.highlight .ss{color:#990073}.highlight .s{color:#d14}.highlight .na{color:#008080}.highlight .bp{color:#999999}.highlight .nb{color:#0086B3}.highlight .nc{color:#445588;font-weight:bold}.highlight .no{color:#008080}.highlight .nd{color:#3c5d5d;font-weight:bold}.highlight .ni{color:#800080}.highlight .ne{color:#990000;font-weight:bold}.highlight .nf{color:#990000;font-weight:bold}.highlight .nl{color:#990000;font-weight:bold}.highlight .nn{color:#555555}.highlight .nt{color:#000080}.highlight .vc{color:#008080}.highlight .vg{color:#008080}.highlight .vi{color:#008080}.highlight .nv{color:#008080}.highlight .ow{color:#000000;font-weight:bold}.highlight .o{color:#000000;font-weight:bold}.highlight .w{color:#bbbbbb}.highlight{background-color:#f8f8f8}*{box-sizing:border-box}body{padding:0;margin:0;font-family:"Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;line-height:1.5;color:#606c71}#skip-to-content{height:1px;width:1px;position:absolute;overflow:hidden;top:-10px}#skip-to-content:focus{position:fixed;top:10px;left:10px;height:auto;width:auto;background:#e19447;outline:thick solid #e19447}a{color:#1e6bb8;text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-block;margin-bottom:1rem;color:rgba(255,255,255,0.7);background-color:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.2);border-style:solid;border-width:1px;border-radius:0.3rem;transition:color 0.2s, background-color 0.2s, border-color 0.2s}.btn:hover{color:rgba(255,255,255,0.8);text-decoration:none;background-color:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}.btn+.btn{margin-left:1rem}@media screen and (min-width: 64em){.btn{padding:0.75rem 1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.btn{padding:0.6rem 0.9rem;font-size:0.9rem}}@media screen and (max-width: 42em){.btn{display:block;width:100%;padding:0.75rem;font-size:0.9rem}.btn+.btn{margin-top:1rem;margin-left:0}}.page-header{color:#fff;text-align:center;background-color:#159957;background-image:linear-gradient(120deg, #155799, #159957)}@media screen and (min-width: 64em){.page-header{padding:5rem 6rem}}@media screen and (min-width: 42em) and (max-width: 64em){.page-header{padding:3rem 4rem}}@media screen and (max-width: 42em){.page-header{padding:2rem 1rem}}.project-name{margin-top:0;margin-bottom:0.1rem}@media screen and (min-width: 64em){.project-name{font-size:3.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-name{font-size:2.25rem}}@media screen and (max-width: 42em){.project-name{font-size:1.75rem}}.project-tagline{margin-bottom:2rem;font-weight:normal;opacity:0.7}@media screen and (min-width: 64em){.project-tagline{font-size:1.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-tagline{font-size:1.15rem}}@media screen and (max-width: 42em){.project-tagline{font-size:1rem}}.main-content{word-wrap:break-word}.main-content :first-child{margin-top:0}@media screen and (min-width: 64em){.main-content{max-width:64rem;padding:2rem 6rem;margin:0 auto;font-size:1.1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.main-content{padding:2rem 4rem;font-size:1.1rem}}@media screen and (max-width: 42em){.main-content{padding:2rem 1rem;font-size:1rem}}.main-content kbd{background-color:#fafbfc;border:1px solid #c6cbd1;border-bottom-color:#959da5;border-radius:3px;box-shadow:inset 0 -1px 0 #959da5;color:#444d56;display:inline-block;font-size:11px;line-height:10px;padding:3px 5px;vertical-align:middle}.main-content img{max-width:100%}.main-content h1,.main-content h2,.main-content h3,.main-content h4,.main-content h5,.main-content h6{margin-top:2rem;margin-bottom:1rem;font-weight:normal;color:#159957}.main-content p{margin-bottom:1em}.main-content code{padding:2px 4px;font-family:Consolas, "Liberation Mono", Menlo, Courier, monospace;font-size:0.9rem;color:#567482;background-color:#f3f6fa;border-radius:0.3rem}.main-content pre{padding:0.8rem;margin-top:0;margin-bottom:1rem;font:1rem Consolas, "Liberation Mono", Menlo, Courier, monospace;color:#567482;word-wrap:normal;background-color:#f3f6fa;border:solid 1px #dce6f0;border-radius:0.3rem}.main-content pre>code{padding:0;margin:0;font-size:0.9rem;color:#567482;word-break:normal;white-space:pre;background:transparent;border:0}.main-content .highlight{margin-bottom:1rem}.main-content .highlight pre{margin-bottom:0;word-break:normal}.main-content .highlight pre,.main-content pre{padding:0.8rem;overflow:auto;font-size:0.9rem;line-height:1.45;border-radius:0.3rem;-webkit-overflow-scrolling:touch}.main-content pre code,.main-content pre tt{display:inline;max-width:initial;padding:0;margin:0;overflow:initial;line-height:inherit;word-wrap:normal;background-color:transparent;border:0}.main-content pre code:before,.main-content pre code:after,.main-content pre tt:before,.main-content pre tt:after{content:normal}.main-content ul,.main-content ol{margin-top:0}.main-content blockquote{padding:0 1rem;margin-left:0;color:#819198;border-left:0.3rem solid #dce6f0}.main-content blockquote>:first-child{margin-top:0}.main-content blockquote>:last-child{margin-bottom:0}.main-content table{display:block;width:100%;overflow:auto;word-break:normal;word-break:keep-all;-webkit-overflow-scrolling:touch}.main-content table th{font-weight:bold}.main-content table th,.main-content table td{padding:0.5rem 1rem;border:1px solid #e9ebec}.main-content dl{padding:0}.main-content dl dt{padding:0;margin-top:1rem;font-size:1rem;font-weight:bold}.main-content dl dd{padding:0;margin-bottom:1rem}.main-content hr{height:2px;padding:0;margin:1rem 0;background-color:#eff0f1;border:0}.site-footer{padding-top:2rem;margin-top:2rem;border-top:solid 1px #eff0f1}@media screen and (min-width: 64em){.site-footer{font-size:1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.site-footer{font-size:1rem}}@media screen and (max-width: 42em){.site-footer{font-size:0.9rem}}.site-footer-owner{display:block;font-weight:bold}.site-footer-credits{color:#819198}:root{--primary-color: #1a1a2e;--secondary-color: #7ed3d8;--accent-color: #4dc98b;--text-color: #2d3748;--text-light: #4a5568;--background-light: #f0f7f7;--border-color: #7ed3d8;--shadow: 0 2px 8px rgba(26, 26, 46, 0.15);--shadow-hover: 0 4px 16px rgba(26, 26, 46, 0.25)}.hero-section{text-align:center;padding:4rem 0;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;margin:-2rem -2rem 3rem -2rem}@media screen and (max-width: 768px){.hero-section{margin:-1rem -1rem 2rem -1rem;padding:3rem 1rem}}.hero-title{font-size:3rem;margin-bottom:1rem;font-weight:700}@media screen and (max-width: 768px){.hero-title{font-size:2rem}}.hero-subtitle{font-size:1.5rem;margin-bottom:2rem;opacity:0.95}@media screen and (max-width: 768px){.hero-subtitle{font-size:1.2rem}}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.featured-quote{text-align:center;max-width:700px;margin:2rem auto;padding:2rem 2rem 1.5rem;position:relative;background:linear-gradient(135deg, rgba(126,211,216,0.05) 0%, rgba(26,26,46,0.03) 100%);border-left:4px solid var(--secondary-color);border-right:4px solid var(--secondary-color);border-radius:8px}.featured-quote::before,.featured-quote::after{font-family:Georgia, 'Times New Roman', serif;font-size:3rem;color:var(--secondary-color);opacity:0.5;position:absolute;line-height:1}.featured-quote::before{content:'"';top:0.5rem;left:1rem}.featured-quote::after{content:'"';bottom:0.5rem;right:1rem}.featured-quote p{font-family:Georgia, 'Times New Roman', serif;font-size:1.2rem;font-style:italic;color:var(--text-color);line-height:1.8;margin:0;padding:0.5rem 2rem;text-align:center}.featured-quote cite{display:block;margin-top:1rem;font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;font-size:0.95rem;font-style:normal;color:#c0392b;font-weight:600}.featured-quote cite::before{content:'— '}.social-links{display:flex;justify-content:center;gap:0.5rem;margin-top:1.25rem;flex-wrap:wrap}.social-links a{display:inline-flex;align-items:center;gap:0.5rem;padding:0.5rem 1rem;border-radius:6px;text-decoration:none;font-size:0.85rem;font-weight:500;transition:all 0.3s ease;background:var(--background-light);color:var(--text-color);border:1px solid #e0e0e0}.social-links a i{font-size:1.1rem}.social-links a:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.15)}.social-links a.linkedin:hover{background:#0077b5;color:white;border-color:#0077b5}.social-links a.scholar:hover{background:#4285f4;color:white;border-color:#4285f4}.social-links a.orcid:hover{background:#a6ce39;color:white;border-color:#a6ce39}.social-links a.researchgate:hover{background:#00ccbb;color:white;border-color:#00ccbb}.social-links a.github:hover{background:#333;color:white;border-color:#333}.social-links a.cv:hover{background:#c0392b;color:white;border-color:#c0392b}.research-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:2rem;margin:2rem 0}@media screen and (max-width: 900px){.research-grid{grid-template-columns:repeat(2, 1fr)}}@media screen and (max-width: 600px){.research-grid{grid-template-columns:1fr}}.research-card{background:var(--background-light);border-radius:10px;padding:1.5rem;box-shadow:var(--shadow);transition:transform 0.3s ease, box-shadow 0.3s ease;display:flex;flex-direction:column}.research-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.research-card img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:1rem}.research-card h3{color:var(--primary-color);font-size:1.25rem;margin:0 0 0.75rem 0}.research-card p{color:var(--text-light);font-size:0.95rem;line-height:1.6;flex-grow:1;margin:0 0 1rem 0}.research-card a{color:var(--secondary-color);text-decoration:none;font-weight:600;font-size:0.9rem}.research-card a:hover{text-decoration:underline}.research-card-horizontal{display:flex;flex-direction:row;background:var(--background-light);border-radius:10px;padding:1.5rem;margin-bottom:2rem;box-shadow:var(--shadow);transition:transform 0.3s ease, box-shadow 0.3s ease;gap:2rem}.research-card-horizontal:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}@media screen and (max-width: 768px){.research-card-horizontal{flex-direction:column}}.research-card-horizontal .card-image{flex:0 0 350px;display:flex;align-items:center;justify-content:center}@media screen and (max-width: 768px){.research-card-horizontal .card-image{flex:none}}.research-card-horizontal .card-image img{width:100%;max-height:280px;object-fit:contain;border-radius:4px}.research-card-horizontal .card-content{flex:1;display:flex;flex-direction:column}.research-card-horizontal .card-content h3{color:var(--primary-color);font-size:1.4rem;margin:0 0 0.75rem 0}.research-card-horizontal .card-content p{color:var(--text-light);font-size:1rem;line-height:1.7;margin:0 0 1rem 0;flex-grow:1}.research-card-horizontal .card-content .card-links{display:flex;gap:0.8rem;flex-wrap:wrap;margin-top:auto}.research-card-horizontal .card-content .card-links a{display:inline-flex;align-items:center;gap:0.3rem;color:var(--secondary-color);text-decoration:none;font-weight:600;font-size:0.75rem;padding:0.3rem 0.6rem;border:1px solid var(--secondary-color);border-radius:5px;transition:all 0.3s}.research-card-horizontal .card-content .card-links a:hover{background:var(--secondary-color);color:white}.research-card-horizontal .card-content .card-links a i{font-size:0.85rem}.research-card-horizontal .card-content .card-tech{margin-top:1rem;font-size:0.85rem;color:var(--text-light)}.research-card-horizontal .card-content .card-tech strong{color:var(--primary-color)}.btn{display:inline-block;padding:0.75rem 2rem;border-radius:5px;text-decoration:none;font-weight:600;transition:all 0.3s ease;border:2px solid transparent}.btn-primary{background-color:white;color:var(--primary-color)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.btn-secondary{background-color:transparent;color:white;border-color:white}.btn-secondary:hover{background-color:white;color:var(--primary-color);transform:translateY(-2px)}.section{padding:3rem 0}.section h2{font-size:2.5rem;margin-bottom:2rem;color:var(--text-color);text-align:center}@media screen and (max-width: 768px){.section h2{font-size:2rem}}.page-header{text-align:center;margin-bottom:0;padding:0;border:none !important;border-bottom:none !important}.page-header h1{font-size:3rem;margin-bottom:0.0rem;color:var(--text-color)}@media screen and (max-width: 768px){.page-header h1{font-size:2rem}}.page-header p{font-size:1.2rem;color:var(--text-light)}.about-content{max-width:800px;margin:0 auto;font-size:1.1rem;line-height:1.8;color:var(--text-light)}.about-content p{margin-bottom:1.5rem}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:2rem;max-width:1000px;margin:0 auto}.skill-category{background:var(--background-light);padding:2rem;border-radius:10px;box-shadow:var(--shadow);transition:transform 0.3s ease}.skill-category:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.skill-category h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.3rem}.skill-category ul{list-style:none;padding:0}.skill-category ul li{padding:0.5rem 0;color:var(--text-color);border-bottom:1px solid var(--border-color)}.skill-category ul li:last-child{border-bottom:none}.research-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:2rem;margin-top:2rem}.research-card{background:white;border:1px solid var(--border-color);border-radius:10px;padding:2rem;transition:all 0.3s ease;box-shadow:var(--shadow)}.research-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--accent-color)}.research-card h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.5rem}.research-card p{color:var(--text-light);line-height:1.6;margin-bottom:1.5rem}.project-links{display:flex;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.project-link{color:var(--accent-color);text-decoration:none;font-weight:600;padding:0.5rem 1rem;border:2px solid var(--accent-color);border-radius:5px;transition:all 0.3s ease}.project-link:hover{background-color:var(--accent-color);color:white}.project-tags{display:flex;gap:0.5rem;flex-wrap:wrap}.tag{display:inline-block;background-color:var(--background-light);color:var(--text-color);padding:0.25rem 0.75rem;border-radius:20px;font-size:0.9rem;border:1px solid var(--border-color)}.contact-content{max-width:600px;margin:0 auto;text-align:center}.contact-content p{font-size:1.1rem;color:var(--text-light);margin-bottom:2rem;line-height:1.8}.contact-links{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.contact-link{display:flex;flex-direction:column;align-items:center;gap:0.5rem;color:var(--primary-color);text-decoration:none;padding:1.5rem;border:2px solid var(--border-color);border-radius:10px;transition:all 0.3s ease;min-width:120px}.contact-link:hover{border-color:var(--accent-color);transform:translateY(-5px);box-shadow:var(--shadow-hover)}.contact-link:hover svg{color:var(--accent-color)}.contact-link svg{transition:color 0.3s ease}.contribution-list{max-width:800px;margin:2rem auto}.contribution-list li{padding:0.75rem 0;color:var(--text-light);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 2rem}@media screen and (max-width: 768px){.container{padding:0 1rem}}@media screen and (max-width: 768px){.skills-grid,.research-grid{grid-template-columns:1fr}.section{padding:2rem 0}}a{color:var(--accent-color)}a:hover{color:var(--primary-color)}.nav-dropdown{position:relative;display:inline-block}.nav-dropdown-toggle{display:inline-flex;align-items:center;gap:0.4rem;cursor:pointer;text-decoration:none;color:#7ed3d8}.nav-dropdown-toggle::after{content:' ▼';font-size:0.6rem;transition:transform 0.3s ease;margin-left:0.2rem}.nav-dropdown-toggle:hover{opacity:0.8}.nav-dropdown:hover .nav-dropdown-toggle::after{transform:rotate(180deg)}.nav-dropdown-menu{position:absolute;top:calc(100% + 0.5rem);left:0;background:rgba(26,26,46,0.95);border:1px solid rgba(126,211,216,0.6);border-radius:4px;min-width:200px;list-style:none;margin:0;padding:0.5rem 0;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.3s ease;z-index:1000;box-shadow:0 4px 16px rgba(0,0,0,0.3);backdrop-filter:blur(8px)}.nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.nav-dropdown-menu li{margin:0;padding:0}.nav-dropdown-menu li a{display:block;color:#7ed3d8;text-decoration:none;padding:0.6rem 1.2rem;font-size:0.9rem;font-weight:500;transition:all 0.2s ease;white-space:nowrap}.nav-dropdown-menu li a:hover{background:rgba(126,211,216,0.15);padding-left:1.4rem}@media screen and (max-width: 768px){.nav-dropdown-menu{min-width:180px}}html{scroll-behavior:smooth}